ForewordDavid SaundersThe image revealed: study and conservation of a mid-nineteenth-century Ethiopian church paintingHeidi Cutts, Lynne Harrison, Catherine Higgitt and Pippa CruickshankCoatings and contents: investigations of residues on four fragmentary sixth-century BC vessels from Naukratis (Egypt)Rebecca Stacey, Caroline Cartwright, Satoko Tanimoto and Alexandra VillingA gold four-horse model chariot from the Oxus Treasure: a fine illustration of Achaemenid goldworkAude Mongiatti, Nigel Meeks and St John SimpsonThe 'Treu Head': a case study in Roman sculptural polychromyGiovanni Verri, Thorsten Opper and Thibaut DevieseChange and stasis: the technology of Dark Age metalwork from the Carpathian BasinPaul Craddock, Michael Cowell, Duncan Hook, Michael Hughes, Susan La Niece and Nigel MeeksInvestigating the construction methods of an opus vermiculatummosaic panelMelina Smirniou, Giovanni Verri, Paul Roberts, Andrew Meek and Michela SpataroAssessing the effects of alkaline desalination treatments for archaeological iron using scanning electron microscopyMelanie Rimmer and Quanyu WangColour holography of the oldest known work of art from WalesHans Bjelkhagen and Jill CookNew light on old swords from IranSt John Simpson and Susan La Niece.